Home / 75,511.20-104,205.84-41,521.89

Finding the Fourth Proportional to 75,511.20, 104,205.84 and 41,521.89

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Solution

The fourth proportional to 75,511.20, 104,205.84 and 41,521.89 is: 57,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,511.20 : 104,205.84 = 41,521.89 : x
  2. Step 2: Convert to fraction form
    75,511.20/104,205.84 = 41,521.89/x
  3. Step 3: Cross multiply
    75,511.20x = 104,205.84 × 41,521.89
  4. Step 4: Simplify right side
    75,511.20x = 4,326,823,015.23
  5. Step 5: Solve for x
    x = 4,326,823,015.23/75,511.20
  6. Step 6: Final answer
    x = 57,300.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.